Posterior articulator



FIG. 1 is a top plan view of a posterior articulator showing my new design in an opened position;

FIG. 2 is a bottom plan view of the first component thereof, the second component being omitted for clarity of illustration;

FIG. 3 is a side elevational view of the first component thereof;

FIG. 4 is an opposite side elevational view of the first component thereof;

FIG. 5 is an end elevational view of the first component thereof;

FIG. 6 is an opposite end elevational view of the first component thereof;

FIG. 7 is a top perspective view of the first component thereof; and

FIG. 8 is a fragmentary top perspective view of the second component thereof, the omitted portions being a mirror image of the first component. 

The ornamental design for a posterior articulator, substantially as shown and described. 